Kotova Velena
From Izhevsk, Russia
EMA: 15990160
Internal rating (RR)
Rating date Jan. 20, 2024 (latest changes Jan. 20, 2024).
53 place (358.44).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.43) = 12.485890000000001
p1 = (447.76 * 3.50 * 0.14 + 893.33 * 4.20 * 0.71 + 241.38 * 3.75 * 1 + 0 + 0) / (3.50 * 0.14 + 4.20 * 0.71 + 3.75 * 1 + 1 + 1) = 411.7928133523455
p2 = (893.33 * 4.20 * 0.71 + 241.38 * 3.75 * 1 + 447.76 * 3.50 * 0.14) / max_coefficients = 305.0779720148103
score = 411.7928133523455 * 0.5 + 305.0779720148103 * 0.5 = 358.4353926835779
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-01-20 | 53 | 368.32 -> 358.44 |
Tenpai can't buy happiness: 29% -> 14% |
2024-01-06 | 49 -> 53 | 395.29 -> 368.32 |
IX Russian Riichi Championship: 86% -> 71% |
2023-12-19 | 50 -> 49 | 395.29 | |
2023-12-12 | 50 | 387.90 -> 395.29 | |
2023-11-28 | 55 -> 50 | 387.90 | |
2023-11-20 | 54 -> 55 | 396.24 -> 387.90 |
Tenpai can't buy happiness: 43% -> 29% |
2023-11-06 | 46 -> 54 | 419.49 -> 396.24 |
IX Russian Riichi Championship: 100% -> 86% |
2023-10-12 | 49 -> 46 | 412.21 -> 419.49 | |
2023-09-28 | 50 -> 49 | 412.21 | |
2023-09-20 | 50 | 419.38 -> 412.21 |
Tenpai can't buy happiness: 57% -> 43% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 241 |
|
67/88 | 100% | 3.75 | RR | Money can not buy tenpai |
2 | 893 |
|
9/76 | 71% | 4.20 | RR | IX Russian Riichi Championship |
3 | 448 |
|
38/68 | 14% | 3.50 | RR | Tenpai can't buy happiness |
4 | 133 |
|
14/16 | 0% | 2.30 | RR | Arkhangelsk Championship |
5 | 452 |
|
18/32 | 0% | 2.70 | EMA | Tsukimi 2018 |
6 | 887 |
|
9/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
7 | 718 |
|
21/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
8 | 667 |
|
22/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
9 | 0 |
|
100/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
10 | 795 |
|
9/40 | 0% | 2.60 | EMA | Ivanovo Region Riichi Championship 2016 |
11 | 137 |
|
45/52 | 0% | 2.90 | EMA | Russian Open Riichi Championship 2015 |
12 | 67 |
|
15/16 | 0% | 1.20 | RR | "Haku no Ten" summer riichi mahjong tournament 2015 |
13 | 895 |
|
3/20 | 0% | 1.30 | RR | "Haku no Ten" autumn riichi mahjong tournament 2015 |
14 | 87 |
|
22/24 | 0% | 1.40 | EMA | Vologda Riichi Championship 2014 |
15 | 175 |
|
53/64 | 0% | 3.15 | RR | "Japanese House" riichi mahjong cup 2014 |
16 | 333 |
|
11/16 | 0% | 1.20 | RR | "Haku no Ten" summer riichi mahjong tournament 2014 |
17 | 267 |
|
56/76 | 0% | 2.50 | RR | Moscow Riichi 2014 |
18 | 366 |
|
46/72 | 0% | 3.25 | EMA | Russian Riichi Championship 2013 |
19 | 733 |
|
5/16 | 0% | 1.00 | RR | "Haku no Ten" spring riichi mahjong tournament 2013 |